Changing air filters of PP 45 units

Change the air filters when the filter change indicator appears (factory setting 6 months). Always replace both air filters on each ventilation unit.

  1. Remove front cover by gently pressing up the locking lever on the bottom of unit and evenly pulling cover to the front and out. Do not twist it.
  2. Remove plug of motor connection cable.

  3. Damage to pull-out belt and filter seat if pulled jerkily and torn.

    Pull slide-in module evenly and carefully out of wall sleeve. Do not pull jerkily / tear. Replace pull-out belt if damaged.

  4. Use pull-out belt to pull entire slide-in module out of wall sleeve and put down with care. Support slide-in module from below with one hand.
  5. Pull the two air filters out of the filter seats.
  6. Insert new air filters in the two filter seats. The filters must be inserted behind the 3 brackets of the filter holder and must be flush.
  7. Support slide-in module from below with one hand and slide into wall sleeve. The profile seal is used for fixing and avoidance of infiltration air. The motor connection cable must not be strained when installed.
  8. Fix motor connection cable in notch at side.
  9. Insert connector plug of motor connection cable.
  10. Before putting on the front cover, the shutter must always be open. Do this by switching on the unit and/or opening the shutter.
  11. Attach front cover at top in two housing studs and swivel down until cover engages on locking lever.
  12. Switch the mains fuses on. The ventilation units start up.
  1. Acknowledge the filter change on the room air control/RC ventilation unit:

 

RLS 45 O: Press button for 5 seconds.

RLS 45 K: Press and jointly for 5 seconds.

DS 45 RC: Press SET button for 5 seconds.

Complete. The filter change is complete.